Door stop



FIG. 1 is a perspective view of a door stop showing my new design;

FIG. 2 is a left elevational view thereof, with the right elevationalview thereof being a mirror image of the left elevational view;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a top plan view thereof.

CLAIM The ornamental design for a door stop, as shown and described.